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Welcome to GIC Fasteners, your trusted source for premium Flange Stud Bolts engineered to the highest industry standards. As a leading manufacturer, we specialize in producing top-quality fastening solutions that meet stringent DIN, ASTM, ISO, and BS standards, as well as equivalent international benchmarks. Our Flange Stud Bolts are meticulously crafted to deliver exceptional durability, precision, and reliability in every application. With a commitment to superior quality and unmatched expertise, GIC Fasteners ensures you get the perfect fit for your projects, providing the confidence you need in your industrial endeavors. Experience unmatched performance and seamless fastening with our comprehensive range of Flange Stud Bolts, tailored to meet the diverse needs of various industries.
Discover unparalleled quality and precision with GIC Fasteners‘ premium range of Flange Stud Bolts. Crafted to perfection by industry experts, our Flange Stud Bolts adhere to the highest manufacturing standards, including DIN, ASTM, ISO, and BS specifications, ensuring superior performance and reliability in every application. Whether you’re in the oil and gas sector, construction industry, or any other field requiring robust fastening solutions, our Flange Stud Bolts are engineered to meet your diverse needs. With a focus on durability and precision, GIC Fasteners guarantees products that withstand the test of time, providing you with the confidence you need for your critical projects.
At GIC Fasteners, we understand the importance of reliable connections in your operations. That’s why we invite you to experience the unmatched quality of our Flange Stud Bolts. Elevate your projects with our precision-engineered fasteners today. For inquiries and to place your order, email us at sales@gicfasteners.com. Let us empower your endeavors with our top-notch Flange Stud Bolts, designed for excellence and built to last.
| Forming | Hot & Cold Forged |
|---|---|
| Metric Size | M10 to M100 |
| Imperial Size | 3/8" to 4" |
| Threads | UNC, UNF, ISO, BSW & ACME. |
| Standards | DIN, ASME, ISO & IS |
| Variants |
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| Dimension Standards |
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| Alloy Categories |
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| ASTM Specifications |
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| Coatings |
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| Class 150 Flanges ASME B16.5 (Stud bolt sizes) | Length of Stud Bolts | |||||||
| NPS | Outside Diameter of Flange | The diameter of Bolt Circle | The diameter of Bolt Holes | Number of Bolts | Diameter of Bolts | Raised Face 0.06 in |
Ring Joint | |
| 1/2 | 3 1/2 | 2 3/8 | 5/8 | 4 | 1/2 | 2 1/4 | – | |
| 3/4 | 3 7/8 | 2 3/4 | 5/8 | 4 | 1/2 | 2 1/2 | – | |
| 1 | 4 1/4 | 3 1/8 | 5/8 | 4 | 1/2 | 2 1/2 | 3 | |
| 1 1/4 | 4 5/8 | 3 1/2 | 5/8 | 4 | 1/2 | 2 3/4 | 3 1/4 | |
| 1 1/2 | 5 | 3 7/8 | 5/8 | 4 | 1/2 | 2 3/4 | 3 1/4 | |
| 2 | 6 | 4 3/4 | 3/4 | 4 | 5/8 | 3 1/4 | 3 3/4 | |
| 2 1/2 | 7 | 5 1/2 | 3/4 | 4 | 5/8 | 3 1/2 | 4 | |
| 3 | 7 1/2 | 6 | 3/4 | 4 | 5/8 | 3 1/2 | 4 | |
| 3 1/2 | 8 1/2 | 7 | 3/4 | 8 | 5/8 | 3 1/2 | 4 | |
| 4 | 9 | 7 1/2 | 3/4 | 8 | 5/8 | 3 1/2 | 4 | |
| 5 | 10 | 8 1/2 | 7/8 | 8 | 3/4 | 3 3/4 | 4 1/4 | |
| 6 | 11 | 9 1/2 | 7/8 | 8 | 3/4 | 4 | 4 1/2 | |
| 8 | 13 1/2 | 11 3/4 | 7/8 | 8 | 3/4 | 4 1/4 | 4 3/4 | |
| 10 | 16 | 14 3/4 | 1 | 12 | 7/8 | 4 1/2 | 5 | |
| 12 | 19 | 17 | 1 | 12 | 7/8 | 4 3/4 | 5 1/4 | |
| 14 | 21 | 18 3/4 | 1 1/8 | 12 | 1 | 5 1/4 | 5 3/4 | |
| 16 | 23 1/2 | 21 1/4 | 1 1/8 | 16 | 1 | 5 1/4 | 5 3/4 | |
| 18 | 25 | 22 3/4 | 1 1/4 | 16 | 1 1/8 | 5 3/4 | 6 1/4 | |
| 20 | 27 1/2 | 25 | 1 1/4 | 20 | 1 1/8 | 6 1/4 | 6 3/4 | |
| 24 | 32 | 29 1/2 | 1 1/4 | 20 | 1 1/4 | 6 3/4 | 7 1/4 | |
| Class 300 Flanges ASME B16.5 | Length of Stud Bolts | |||||||
| NPS | Outside Diameter of Flange | The diameter of Bolt Circle | The diameter of Bolt Holes | Number of Bolts | Diameter of Bolts | Raised Face 0.06 in |
Ring Joint | |
| 1/2 | 3 3/4 | 2 5/8 | 5/8 | 4 | 1/2 | 2 1/2 | 3 | |
| 3/4 | 4 5/8 | 3 1/4 | 3/4 | 4 | 5/8 | 3 | 3 1/2 | |
| 1 | 4 7/8 | 3 1/2 | 3/4 | 4 | 5/8 | 3 | 3 1/2 | |
| 1 1/4 | 5 1/4 | 3 7/8 | 3/4 | 4 | 5/8 | 3 1/4 | 3 3/4 | |
| 1 1/2 | 6 1/8 | 4 1/2 | 7/8 | 4 | 3/4 | 3 1/2 | 4 | |
| 2 | 6 1/2 | 5 | 3/4 | 8 | 5/8 | 3 1/2 | 4 | |
| 2 1/2 | 7 1/2 | 5 7/8 | 7/8 | 8 | 3/4 | 4 | 4 1/2 | |
| 3 | 8 1/4 | 6 5/8 | 7/8 | 8 | 3/4 | 4 1/4 | 4 3/4 | |
| 3 1/2 | 9 | 7 1/4 | 7/8 | 8 | 3/4 | 4 1/4 | 5 | |
| 4 | 10 | 7 7/8 | 7/8 | 8 | 3/4 | 4 1/2 | 5 | |
| 5 | 11 | 9 1/4 | 7/8 | 8 | 3/4 | 4 3/4 | 5 1/4 | |
| 6 | 12 1/2 | 10 5/8 | 7/8 | 12 | 3/4 | 4 3/4 | 5 1/2 | |
| 8 | 15 | 13 | 1 | 12 | 7/8 | 5 1/2 | 6 | |
| 10 | 17 1/2 | 15 1/4 | 1 1/8 | 16 | 1 | 6 1/4 | 6 3/4 | |
| 12 | 20 1/2 | 17 3/4 | 1 1/4 | 16 | 1 1/8 | 6 3/4 | 7 1/4 | |
| 14 | 23 | 20 1/4 | 1 1/4 | 20 | 1 1/8 | 7 | 7 1/2 | |
| 16 | 25 1/2 | 22 1/2 | 1 3/8 | 20 | 1 1/4 | 7 1/2 | 8 | |
| 18 | 28 | 24 3/4 | 1 3/8 | 24 | 1 1/4 | 7 3/4 | 8 1/4 | |
| 20 | 30 1/2 | 27 | 1 3/8 | 24 | 1 1/4 | 8 | 8 3/4 | |
| 24 | 36 | 32 | 1 5/8 | 24 | 1 1/2 | 9 | 10 | |
| Class 900 Flanges ASME B16.5 | Length of Stud Bolts | |||||||
| NPS | Outside Diameter of Flange | The diameter of Bolt Circle | The diameter of Bolt Holes | Number of Bolts | Diameter of Bolts | Raised Face 0.06 in |
Ring Joint | |
| 1/2 | 4 3/4 | 3 1/4 | 7/8 | 4 | 3/4 | 4 1/4 | 4 1/4 | |
| 3/4 | 5 1/8 | 3 1/2 | 7/8 | 4 | 3/4 | 4 1/2 | 4 1/2 | |
| 1 | 5 7/8 | 4 | 1 | 4 | 7/8 | 5 | 5 | |
| 1 1/4 | 6 1/4 | 4 3/8 | 1 | 4 | 7/8 | 5 | 5 | |
| 1 1/2 | 7 | 4 7/8 | 1 1/8 | 4 | 1 | 5 1/2 | 5 1/2 | |
| 2 | 8 1/2 | 6 1/2 | 1 | 8 | 7/8 | 5 3/4 | 5 3/4 | |
| 2 1/2 | 9 5/8 | 7 1/2 | 1 1/8 | 8 | 1 | 6 1/4 | 6 1/4 | |
| 3 | 9 1/2 | 7 1/2 | 1 | 8 | 7/8 | 5 3/4 | 5 3/4 | |
| 4 | 11 1/2 | 9 1/4 | 1 1/4 | 8 | 1 1/8 | 6 3/4 | 6 3/4 | |
| 5 | 13 3/4 | 11 | 1 3/8 | 8 | 1 1/4 | 7 1/2 | 7 1/2 | |
| 6 | 15 | 12 1/2 | 1 1/4 | 12 | 1 1/8 | 7 1/2 | 7 3/4 | |
| 8 | 18 1/2 | 15 1/2 | 1 1/2 | 12 | 1 3/8 | 8 3/8 | 8 3/4 | |
| 10 | 21 1/2 | 18 1/2 | 1 1/2 | 16 | 1 3/8 | 9 1/4 | 9 1/4 | |
| 12 | 24 | 21 | 1 1/2 | 20 | 1 3/8 | 10 | 10 | |
| 14 | 25 1/4 | 22 | 1 5/8 | 20 | 1 1/2 | 10 3/4 | 11 | |
| 16 | 27 3/4 | 24 1/4 | 1 3/4 | 20 | 1 5/8 | 11 1/4 | 11 1/2 | |
| 18 | 31 | 27 | 2 | 20 | 1 7/8 | 12 3/4 | 13 1/4 | |
| 20 | 33 3/4 | 29 1/2 | 2 1/8 | 20 | 2 | 13 3/4 | 14 1/4 | |
| 24 | 41 | 35 1/2 | 2 5/8 | 20 | 2 1/2 | 17 1/4 | 18 | |
| Class 1500 Flanges ASME B16.5 | Length of Stud Bolts | |||||||
| NPS | Outside Diameter of Flange | The diameter of Bolt Circle | The diameter of Bolt Holes | Number of Bolts | Diameter of Bolts | Raised Face 0.06 in |
Ring Joint | |
| 1/2 | 4 3/4 | 3 1/4 | 7/8 | 4 | 3/4 | 4 1/4 | 4 1/4 | |
| 3/4 | 5 1/8 | 3 1/2 | 7/8 | 4 | 3/4 | 4 1/2 | 4 1/2 | |
| 1 | 5 7/8 | 4 | 1 | 4 | 7/8 | 5 | 5 | |
| 1 1/4 | 6 1/4 | 4 3/8 | 1 | 4 | 7/8 | 5 | 5 | |
| 1 1/2 | 7 | 4 7/8 | 1 1/8 | 4 | 1 | 5 1/2 | 5 1/2 | |
| 2 | 8 1/2 | 6 1/2 | 1 | 8 | 7/8 | 5 3/4 | 5 3/4 | |
| 2 1/2 | 9 5/8 | 7 1/2 | 1 1/8 | 8 | 1 | 6 1/4 | 6 1/4 | |
| 3 | 10 1/2 | 8 | 1 1/4 | 8 | 1 1/8 | 7 | 7 | |
| 4 | 12 1/4 | 9 1/2 | 1 3/8 | 8 | 1 1/4 | 7 3/4 | 7 3/4 | |
| 5 | 14 3/4 | 11 1/2 | 1 5/8 | 8 | 1 1/2 | 9 3/4 | 9 3/4 | |
| 6 | 15 1/2 | 12 1/2 | 1 1/2 | 12 | 1 3/8 | 10 1/4 | 10 1/2 | |
| 8 | 19 | 15 1/2 | 1 3/4 | 12 | 1 5/8 | 11 1/2 | 12 3/4 | |
| 10 | 23 | 19 | 2 | 12 | 1 7/8 | 13 1/4 | 13 1/2 | |
| 12 | 26 1/2 | 22 1/2 | 2 1/8 | 16 | 2 | 14 3/4 | 15 1/4 | |
| 14 | 29 1/2 | 25 | 2 3/8 | 16 | 2 1/4 | 16 | 16 3/4 | |
| 16 | 32 1/2 | 27 3/4 | 2 5/8 | 16 | 2 1/2 | 17 1/2 | 18 1/2 | |
| 18 | 36 | 30 1/2 | 2 7/8 | 16 | 2 3/4 | 19 1/2 | 20 3/4 | |
| 20 | 38 3/4 | 32 3/4 | 3 1/8 | 16 | 3 | 21 1/4 | 22 1/4 | |
| 24 | 46 | 39 | 3 5/8 | 16 | 3 1/2 | 24 1/4 | 25 1/2 | |
| Industry | Applications |
|---|---|
| Oil and Gas | Used in pipelines, refineries, and offshore platforms for secure fastening of flanges, valves, and other components. |
| Construction | Essential in construction projects for connecting structural steel elements, beams, and columns. |
| Power Generation | Applied in power plants, securing turbines, boilers, and heat exchangers. |
| Automotive | Utilized in engine assembly, ensuring reliable connections in various engine components. |
| Marine | Crucial in shipbuilding, used in engines, hull structures, and other marine applications. |
| Aerospace | Vital role in aerospace engineering, connecting critical components in aircraft and spacecraft. |
| Heavy Machinery | Utilized in heavy machinery manufacturing for securing large parts and components, ensuring stability and safety. |
Explore our comprehensive range of products, ensuring you find the perfect solution for your specific requirements.
Save money without compromising on quality, thanks to our competitive prices and cost-effective options.
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Flange Stud Bolts are specialized bolts used to connect and secure flanges in various industrial systems. They play a crucial role in ensuring leak-free connections and structural stability, especially in pipelines, petrochemical plants, and power generation facilities.
Selecting the appropriate Flange Stud Bolts involves considering factors such as material compatibility, pressure ratings, temperature conditions, and load requirements. Consulting with our experts at GIC Fasteners can help you make the right choice tailored to your specific needs.
Flange Stud Bolts are often made from materials like stainless steel, alloy steel, or carbon steel. The choice of material depends on the environmental conditions, such as corrosion resistance requirements and the temperature and pressure levels the bolts will be subjected to in the application.
Yes, at GIC Fasteners, we offer customized Flange Stud Bolts to meet the unique demands of your project. Our skilled engineers can design bolts with specific dimensions, materials, and coatings tailored to your application needs.
Our Flange Stud Bolts adhere to international standards such as DIN, ASTM, ISO, and BS, ensuring that they meet the highest quality and performance benchmarks. Compliance with these standards guarantees the reliability and safety of our products.
Flange Stud Bolts provide a secure and stable connection between flanges, preventing leaks and ensuring the overall integrity of the industrial system. Properly installed bolts enhance safety by minimizing the risk of accidents and system failures.
Flange Stud Bolts can be provided with various surface finishes and coatings, including zinc plating, hot-dip galvanizing, and epoxy coating. These finishes enhance the bolts' corrosion resistance, extending their lifespan in challenging environments.
Absolutely! Our technical team at GIC Fasteners is available to provide guidance on the correct installation procedures and torque specifications for Flange Stud Bolts. Proper installation is crucial for ensuring the bolts' effectiveness and longevity.
GIC Fasteners is renowned for the exceptional quality and reliability of its Flange Stud Bolts. We use premium materials, adhere to stringent manufacturing standards, and offer customization options. Our commitment to quality control and customer satisfaction sets us apart, ensuring you receive top-notch products for your industrial needs.
